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From: Chris Faylor <cgf AT cygnus DOT com>
Date: Sat, 18 Mar 2000 23:34:50 -0500
To: cygwin-developers AT sourceware DOT cygnus DOT com
Subject: Re: New Win98 problem, similar to _unlink problem
Message-ID: <20000318233450.A2450@cygnus.com>
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References: <38D44FD0 DOT DAD88CDF AT attglobal DOT net> <20000318231659 DOT A2393 AT cygnus DOT com> <38D4564D DOT 9A946970 AT attglobal DOT net>
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In-Reply-To: <38D4564D.9A946970@attglobal.net>; from fortinj@attglobal.net on Sat, Mar 18, 2000 at 11:23:41PM -0500

On Sat, Mar 18, 2000 at 11:23:41PM -0500, John Fortin wrote:
>Chris Faylor wrote:
>> On Sat, Mar 18, 2000 at 10:56:00PM -0500, John Fortin wrote:
>>>#! /bin/sh
>>>if test $# -eq 0; then
>>>  tmpout=autoh$$
>>>  trap "rm -f $tmpout; exit 1" 1 2 15
>>>  exec > $tmpout
>>>fi
>>>cat <<EOF
>>>/* config.h.in.  Generated automatically from xxxxxxxx by autoheader.  */
>>>EOF
>>>
>>>mv -f $tmpout config.h.in
>>
>> You're renaming an opened file.  AFAIK, that particular problem is
>> insurmountable in Windows.
>
>So autoheader is broken for cygwin??  I know I've used it before...

It's hard to imagine how this could ever work.  Unless I'm missing
something, it just isn't possible to do this in windows.

You can pare this down to this example, which works on UNIX but fails
on Windows:

#!/bin/sh
exec > foo
mv foo bar

cgf